import auth from '@/plugins/auth'
import router, { constantRoutes, dynamicRoutes } from '@/router'
import { getRouters } from '@/api/menu'
import Layout from '@/layout/index'
import ParentView from '@/components/ParentView'
import InnerLink from '@/layout/components/InnerLink'

// 匹配views里面所有的.vue文件
const modules = import.meta.glob('./../../views/**/*.vue')

const usePermissionStore = defineStore(
  'permission',
  {
    state: () => ({
      routes: [],
      addRoutes: [],
      defaultRoutes: [],
      topbarRouters: [],
      sidebarRouters: []
    }),
    actions: {
      setRoutes(routes) {
        this.addRoutes = routes
        this.routes = constantRoutes.concat(routes)
      },
      setDefaultRoutes(routes) {
        this.defaultRoutes = constantRoutes.concat(routes)
      },
      setTopbarRoutes(routes) {
        this.topbarRouters = routes
      },
      setSidebarRouters(routes) {
        this.sidebarRouters = routes
      },
      generateRoutes(roles) {
        return new Promise(resolve => {
          // 向后端请求路由数据
          let res = {}
          res.data = [
            {
              alwaysShow: true,
              component: "Layout",
              hidden: false,
              name: 'LargeScreen',
              path: '/boxinfo',
              redirect: 'noRedirect',
              meta:{
                icon:'redis-list',
                link:null,
                noCache:false,
                title:'盒子管理'
              },
              children:[
                {
                  component:'deviceBox/boxinfo/index',
                  hidden: false,
                  name: 'Boxinfo',
                  path: 'boxinfo',
                  meta:{
                    icon:'redis',
                    link:null,
                    noCache:false,
                    title:'盒子信息'
                  }
                },
                {
                  component:'producer/earnings/index',
                  hidden: false,
                  name: 'Earnings',
                  path: 'earnings',
                  meta:{
                    icon:'money',
                    link:null,
                    noCache:false,
                    title:'设备收益'
                  }
                },
              ]
            },
            {
              alwaysShow: true,
              component: "Layout",
              hidden: false,
              name: 'Pcdn',
              path: '/pcdn',
              redirect: 'noRedirect',
              meta:{
                icon:'example',
                link:null,
                noCache:false,
                title:'机具管理'
              },
              children:[
                {
                  component:'pcdn/info/index',
                  hidden: false,
                  name: 'Info',
                  path: 'info',
                  meta:{
                    icon:'people',
                    link:null,
                    noCache:false,
                    title:'设备信息'
                  }
                }
              ]
            },
            {
              alwaysShow: true,
              component: "Layout",
              hidden: false,
              name: 'Agent',
              path: '/agent',
              redirect: 'noRedirect',
              meta:{
                icon:'dashboard',
                link:null,
                noCache:false,
                title:'渠道管理'
              },
              children:[
                {
                  component:'agent/agent/index',
                  hidden: false,
                  name: 'Agent',
                  path: 'agent',
                  meta:{
                    icon:'documentation',
                    link:null,
                    noCache:false,
                    title:'代理商信息'
                  }
                }
              ]
            },
            {
              alwaysShow: true,
              component: "Layout",
              hidden: false,
              name: 'Finance',
              path: '/finance',
              redirect: 'noRedirect',
              meta:{
                icon:'money',
                link:null,
                noCache:false,
                title:'财务管理'
              },
              children:[
                {
                  component:'finance/bill/index',
                  hidden: false,
                  name: 'Bill',
                  path: 'bill',
                  meta:{
                    icon:'documentation',
                    link:null,
                    noCache:false,
                    title:'账户订单'
                  }
                }
              ]
            }
          ]
          const sdata = JSON.parse(JSON.stringify(res.data))
          const rdata = JSON.parse(JSON.stringify(res.data))
          const defaultData = JSON.parse(JSON.stringify(res.data))
          const sidebarRoutes = filterAsyncRouter(sdata)
          const rewriteRoutes = filterAsyncRouter(rdata, false, true)
          const defaultRoutes = filterAsyncRouter(defaultData)
          const asyncRoutes = filterDynamicRoutes(dynamicRoutes)
          asyncRoutes.forEach(route => { router.addRoute(route) })
          this.setRoutes(rewriteRoutes)
          this.setSidebarRouters(constantRoutes.concat(sidebarRoutes))
          this.setDefaultRoutes(sidebarRoutes)
          this.setTopbarRoutes(defaultRoutes)
          resolve(rewriteRoutes)
        })
      }
    }
  })

// 遍历后台传来的路由字符串，转换为组件对象
function filterAsyncRouter(asyncRouterMap, lastRouter = false, type = false) {
  return asyncRouterMap.filter(route => {
    if (type && route.children) {
      route.children = filterChildren(route.children)
    }
    if (route.component) {
      // Layout ParentView 组件特殊处理
      if (route.component === 'Layout') {
        route.component = Layout
      } else if (route.component === 'ParentView') {
        route.component = ParentView
      } else if (route.component === 'InnerLink') {
        route.component = InnerLink
      } else {
        route.component = loadView(route.component)
      }
    }
    if (route.children != null && route.children && route.children.length) {
      route.children = filterAsyncRouter(route.children, route, type)
    } else {
      delete route['children']
      delete route['redirect']
    }
    return true
  })
}

function filterChildren(childrenMap, lastRouter = false) {
  var children = []
  childrenMap.forEach(el => {
    el.path = lastRouter ? lastRouter.path + '/' + el.path : el.path
    if (el.children && el.children.length && el.component === 'ParentView') {
      children = children.concat(filterChildren(el.children, el))
    } else {
      children.push(el)
    }
  })
  return children
}

// 动态路由遍历，验证是否具备权限
export function filterDynamicRoutes(routes) {
  const res = []
  routes.forEach(route => {
    if (route.permissions) {
      if (auth.hasPermiOr(route.permissions)) {
        res.push(route)
      }
    } else if (route.roles) {
      if (auth.hasRoleOr(route.roles)) {
        res.push(route)
      }
    }
  })
  return res
}

export const loadView = (view) => {
  let res
  for (const path in modules) {
    const dir = path.split('views/')[1].split('.vue')[0]
    if (dir === view) {
      res = () => modules[path]()
    }
  }
  return res
}

export default usePermissionStore
